playframework/playframework — pull request #3751 by bwbecker (2014-12-19 16:26:45+00:00)
Title: Clarify that only main.less is compiled automatically.  Other .less file...

...s need to be explicitly referenced in build.sbt. The "For example" in the current documentation makes it sound (to me) like this is one example of a general case -- anything with the extension .less will be compiled.